Environment nonprofits in Washington
Environment nonprofits in Washington. Browse 1,169 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Built Green Washington
EIN 870776934 · Headquarters: Bellevue, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Burn Design Lab
EIN 274191367 · Headquarters: VASHON, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Bushwhacker Climbing Club
EIN 680578714 · Headquarters: seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Byc Sailing Foundation
EIN 874073590 · Headquarters: BREMERTON, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- C6 Forest to Farm
EIN 845003532 · Headquarters: Winthrop, WA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Camano Nature-Farm Community Association
EIN 990500201 · Headquarters: Camano Island, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Cambodia Clean Water
EIN 473523643 · Headquarters: Spokane, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Camp George
EIN 995092356 · Headquarters: Lynnwood, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Canopy Planet Foundation
EIN 874752209 · Headquarters: Blaine, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Capitol Lake Improvement and Protection Association
EIN 010965274 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Capitol Land Trust
EIN 911413484 · Headquarters: TUMWATER, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Carbon Capture Foundation
EIN 850701891 · Headquarters: LONGVIEW, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Carbon Forest Foundation
EIN 202067197 · Headquarters: Bellingham, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Carbon Leadership Forum
EIN 934474427 · Headquarters: BELLEVUE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Carbon Standard Dot Earth a Nonprofit Corporation
EIN 882434069 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Carbon Washington Foundation
EIN 821310034 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Carrolls Water Association
EIN 911127836 · Headquarters: CARROLLS, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cascade Backcountry Alliance
EIN 352780403 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Cascade Cleanup Crew
EIN 853219367 · Headquarters: LAKEWOOD, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Cascade Forest Conservancy
EIN 911737883 · Headquarters: VANCOUVER, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Case Inlet Shoreline Association
EIN 260780797 · Headquarters: VAUGHN, WA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Category 5 Wetlands Watch Inc
EIN 452819826 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cedarroot
EIN 273566407 · Headquarters: NORDLAND, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Center for Environmental Law & Policy
EIN 911687883 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Center for Responsible Forestry
EIN 861324309 · Headquarters: Quilcene, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Center for Sustainability & Working Rivers
EIN 994318768 · Headquarters: Colfax, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Center for Sustainable Economy
EIN 364541988 · Headquarters: PORT TOWNSEND, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Center for Sustainable Infrastructure
EIN 832089854 · Headquarters: OLYMPIA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Central District of Washington State Federation of Garden Clubs
EIN 454358247 · Headquarters: Naches, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Central Washington Range Conservancy
EIN 943132095 · Headquarters: YAKIMA, WA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Chase Garden
EIN 270407142 · Headquarters: Des Moines, WA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Chay Environmental
EIN 472305448 · Headquarters: Kelso, WA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Cheh River Basin Land Trust
EIN 943215799 · Headquarters: Centralia, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Chehalis River Council
EIN 911653128 · Headquarters: Centralia, WA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Chelan Basin Conservancy
EIN 453231475 · Headquarters: Chelan, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Chelan-douglas Land Trust
EIN 911331348 · Headquarters: WENATCHEE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cheney Environmental Association
EIN 237270880 · Headquarters: Cheney, WA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- Chenowith Forest and Farm Conservancy
EIN 943205206 · Headquarters: Underwood, WA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Chewelah Valley Land Trust Non Profit Land Trust CVLT
EIN 831624371 · Headquarters: Chewelah, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Chewuch Basin Council
EIN 912112587 · Headquarters: WINTHROP, WA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Chinese Northwest Hiker-camper
EIN 882652088 · Headquarters: Kenmore, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Chumstick Wilidfire Stewardship Coalition
EIN 933516503 · Headquarters: Leavenworth, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Citizens & Neighbors for a Sustainable Redmond
EIN 454883036 · Headquarters: Redmond, WA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Citizens for Forest Roads
EIN 832482868 · Headquarters: Blaine, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Citizens for Improving Long Lake
EIN 760737101 · Headquarters: Port Orchard, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Citizens for Sensible Transportation Planning
EIN 571195132 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Citizens for Sustainable Developmen
EIN 364794794 · Headquarters: Monroe, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Citizens in Support of Useless Bay Community
EIN 800656049 · Headquarters: CLINTON, WA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Citizens of the Ebeys Reserve for a Healthy Safe&peaceful Environment
EIN 461525334 · Headquarters: Coupeville, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Citizens to Stop the Sr169 Asphalt Plant Legal Fund
EIN 833366502 · Headquarters: MAPLE VALLEY, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Clark County Farm Forestry Assoc
EIN 911502237 · Headquarters: Battle Ground, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Clark Skamania Flyfishers
EIN 311602426 · Headquarters: Vancouver, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Clarkston Community Garden
EIN 272208099 · Headquarters: CLARKSTON, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Clean and Prosperous America
EIN 843565108 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clean and Prosperous America Action
EIN 990409599 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clean and Prosperous America Education Fund
EIN 932263138 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clean Black Lake Alliance
EIN 931434350 · Headquarters: OLYMPIA, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Clean Boating Foundation
EIN 273038403 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Clean Drinking Water Project
EIN 863952196 · Headquarters: Harrah, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Clean Washington Waters
EIN 830584155 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Clean Water for Haiti
EIN 202586482 · Headquarters: Vancouver, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clean Water Foundation a Nonprofit Corporation
EIN 263624116 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Climate Caravan
EIN 825365604 · Headquarters: Mercer Island, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Climate Collaborative
EIN 862833200 · Headquarters: BELLINGHAM, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Climate Justice Initiative
EIN 832588707 · Headquarters: Poulsbo, WA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Climatico Analysis
EIN 272699034 · Headquarters: Kirkland, WA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Co2 Foundation
EIN 833981914 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Coal Creek Community Coalition
EIN 912029702 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Coalition to Protect Puget Sound
EIN 823487948 · Headquarters: GIG HARBOR, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Coalition to Protect Puget Sound Habitat
EIN 271082878 · Headquarters: GIG HARBOR, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Coast Salish Youth Coalition
EIN 990697055 · Headquarters: Anacortes, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Coast Watch Society
EIN 911883576 · Headquarters: Bellingham, WA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Coastal & Estuarine Research Federation
EIN 261424697 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Coastal Alliance for Youth
EIN 203585444 · Headquarters: LONG BEACH, WA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Coastal Cutthroat Coalition
EIN 332469735 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Coastal Resources Alliance
EIN 911144145 · Headquarters: Long Beach, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Coastal Watershed Institute
EIN 911719691 · Headquarters: PORT ANGELES, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Code Central Training & Research
EIN 264488066 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Coffelt Farm Stewards
EIN 270905316 · Headquarters: EASTSOUND, WA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990
- Columbia Basin Walleye Club
EIN 510633112 · Headquarters: EPHRATA, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Columbia Gorge Refuge Stewards
EIN 204976559 · Headquarters: Washougal, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Columbia Institute for Water Policy
EIN 204348897 · Headquarters: Vashon, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Columbia Land Trust
EIN 943140861 · Headquarters: VANCOUVER, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Columbia River Bioregional Education Project
EIN 911372443 · Headquarters: OROVILLE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Columbia River Center
EIN 263565033 · Headquarters: Richland, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Columbia River Section of the Am Soc for Nondestructive Testing
EIN 237184517 · Headquarters: Richland, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Columbia Springs
EIN 912127405 · Headquarters: VANCOUVER, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Columbia Willamette Chapter of the Enological Society of Pacific NW
EIN 911149279 · Headquarters: Battle Ground, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Columbia-Pacific Resource Conservation and Economic Development District
EIN 911485363 · Headquarters: Montesano, WA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Coming Alongside
EIN 371571487 · Headquarters: Clinton, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Common Rights
EIN 823453250 · Headquarters: Bellevue, WA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Common Sense Alliance
EIN 270290159 · Headquarters: Friday Harbor, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Communities for a Healthy Bay
EIN 911515969 · Headquarters: TACOMA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Community Consulting Services
EIN 474006589 · Headquarters: Federal Way, WA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Community Energy Solutions
EIN 261757776 · Headquarters: BAINBRIDGE ISLAND, WA, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- Community Garden Club of Camas Washougal Washington
EIN 421545331 · Headquarters: Washougal, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Community Nature Foundation
EIN 352731369 · Headquarters: Olympia, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Community Treasures
EIN 201352278 · Headquarters: Friday Harbor, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Composite Recycling Technology Center
EIN 475271830 · Headquarters: Port Angeles, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Concerned Residents on Waste Disposal
EIN 911392059 · Headquarters: Graham, WA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N